minor volcanic forms

MINOR VOLCANIC FORMSSolfatara ­ small volcanic areas without cones, produced by gases (mainlysulphurous) espically to the surface, for example around the bay of naples initatlyGeysers ­ these occour when water, heated by volcanic activity, explodesonto the surface, for example Old Faithful, Yellowstone National Park, USAHot Springs/Boiling mud ­ Sometimes the water, heated below, does notexplode onto the surface. If the water mixes with surface deposits, boilingmud is formed. Such features are very common in Iceland. There are hotsprings at Bath in the west of England.Fumeroles - An opening in or near a volcano, through which hot sulfurousgases emerge